/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.activiti.app.rest.editor;

import javax.inject.Inject;

import org.activiti.app.service.exception.InternalServerErrorException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;

@RestController
public class StencilSetResource {

  private final Logger log = LoggerFactory.getLogger(StencilSetResource.class);

  @Inject
  protected ObjectMapper objectMapper;

  @RequestMapping(value = "/rest/stencil-sets/editor", method = RequestMethod.GET, produces = "application/json")
  public JsonNode getStencilSetForEditor() {
    try {
      JsonNode stencilNode = objectMapper.readTree(this.getClass().getClassLoader().getResourceAsStream("stencilset_bpmn.json"));
      return stencilNode;
    } catch (Exception e) {
      log.error("Error reading bpmn stencil set json", e);
      throw new InternalServerErrorException("Error reading bpmn stencil set json");
    }
  }
}